Home / 220,183,253.80-330,274,880.70-90,724,226.20

Finding the Fourth Proportional to 220,183,253.80, 330,274,880.70 and 90,724,226.20

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Solution

The fourth proportional to 220,183,253.80, 330,274,880.70 and 90,724,226.20 is: 136,086,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,183,253.80 : 330,274,880.70 = 90,724,226.20 : x
  2. Step 2: Convert to fraction form
    220,183,253.80/330,274,880.70 = 90,724,226.20/x
  3. Step 3: Cross multiply
    220,183,253.80x = 330,274,880.70 × 90,724,226.20
  4. Step 4: Simplify right side
    220,183,253.80x = 29,963,932,984,804,816
  5. Step 5: Solve for x
    x = 29,963,932,984,804,816/220,183,253.80
  6. Step 6: Final answer
    x = 136,086,339.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.